Sole



FIG. 1 is a bottom plan view of a sole showing my new design, the top being plain and unornamented;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a cross-sectional view thereof as taken from line 3--3 of FIG. 1;

FIG. 4 is a cross-sectional view thereof as taken from line 4--4 of FIG. 1; 

The ornamental design for a sole, substantially as is shown and described. 